Suillus kaibabensis
(Yellow Jack, Slippery Jack, Suillus granulatus)

Habitat

Grows on the ground in the Rockies and Southwest under Ponderosa pine from 6000 to 9000ft in elevation. June through August.

Description

They usually have a yellow to brownish cap with dotted stipe. This is one of the most abundant mushrooms in the foothills of the Front Range. Edible, but skin on cap and pores should be removed first like most Suillus unless very young. Many Europeans collect this mushroom. Many books and field guides list it as Suillus granulatus however that is a European species with darker brown cap and mycorrhizal with different pines. Also known as Suillus granulatus var kaibabensis. Each Suillus species is mycorrhizal with a specific host tree especially pine and sometimes other conifers. One of the easiest way to identify them is to identify the host tree species. Once they age they can get rather slimy and full of bugs which is why they have such a bad reputation. The youngest firm specimens are best for the table.

Location

Colorado

Spore Print

Cinnamon

Edibility

Edible

Color

Yellow

Last Updated

Apr 23 2025 09:17 AM

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